| abstract |
The invention relates to phenanthridine derivatives of the general formula I and II ##STR1## and also its salts, in which R 1 means a hydrogen atom, an aromatic, carbocyclic or hetercyclic or heterocyclic residue and in which R 2 and R 3 , which can be the same or different, mean a hydrogen atom, an alkyloxy residue, an alkylenoxy residue, a halogen atom or a nitro group. |